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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * LogAxis.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2006-2009, by Object Refinery Limited and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Andrew Mickish (patch 1868745);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Peter Kolb (patches 1934255 and 2603321);<a name="line.34"></a>
<span class="sourceLineNo">035</span> *<a name="line.35"></a>
<span class="sourceLineNo">036</span> * Changes<a name="line.36"></a>
<span class="sourceLineNo">037</span> * -------<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 24-Aug-2006 : Version 1 (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 22-Mar-2007 : Use defaultAutoArrange attribute (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 02-Aug-2007 : Fixed zooming bug, added support for margins (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 14-Feb-2008 : Changed default minorTickCount to 9 - see bug report<a name="line.41"></a>
<span class="sourceLineNo">042</span> *               1892419 (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 15-Feb-2008 : Applied a variation of patch 1868745 by Andrew Mickish to<a name="line.43"></a>
<span class="sourceLineNo">044</span> *               fix a labelling bug when the axis appears at the top or<a name="line.44"></a>
<span class="sourceLineNo">045</span> *               right of the chart (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 19-Mar-2008 : Applied patch 1902418 by Andrew Mickish to fix bug in tick<a name="line.46"></a>
<span class="sourceLineNo">047</span> *               labels for vertical axis (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 26-Mar-2008 : Changed createTickLabel() method from private to protected -<a name="line.48"></a>
<span class="sourceLineNo">049</span> *               see patch 1918209 by Andrew Mickish (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 25-Sep-2008 : Moved minor tick fields up to superclass, see patch 1934255<a name="line.50"></a>
<span class="sourceLineNo">051</span> *               by Peter Kolb (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 14-Jan-2009 : Fetch minor ticks from TickUnit, and corrected<a name="line.52"></a>
<span class="sourceLineNo">053</span> *               createLogTickUnits() (DG);<a name="line.53"></a>
<span class="sourceLineNo">054</span> * 21-Jan-2009 : No need to call setMinorTickCount() in constructor (DG);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 19-Mar-2009 : Added entity support - see patch 2603321 by Peter Kolb (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 30-Mar-2009 : Added pan(double) method (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 28-Oct-2011 : Fixed endless loop for 0 TickUnit, # 3429707 (MH);<a name="line.57"></a>
<span class="sourceLineNo">058</span> *<a name="line.58"></a>
<span class="sourceLineNo">059</span> */<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>package org.jfree.chart.axis;<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span>import java.awt.Font;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import java.awt.FontMetrics;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import java.awt.Graphics2D;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import java.awt.font.FontRenderContext;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import java.awt.font.LineMetrics;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import java.awt.geom.Rectangle2D;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import java.text.DecimalFormat;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import java.text.NumberFormat;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import java.util.ArrayList;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import java.util.List;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import java.util.Locale;<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span>import org.jfree.chart.event.AxisChangeEvent;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import org.jfree.chart.plot.Plot;<a name="line.76"></a>
<span class="sourceLineNo">077</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.77"></a>
<span class="sourceLineNo">078</span>import org.jfree.chart.plot.ValueAxisPlot;<a name="line.78"></a>
<span class="sourceLineNo">079</span>import org.jfree.chart.util.LogFormat;<a name="line.79"></a>
<span class="sourceLineNo">080</span>import org.jfree.data.Range;<a name="line.80"></a>
<span class="sourceLineNo">081</span>import org.jfree.ui.RectangleEdge;<a name="line.81"></a>
<span class="sourceLineNo">082</span>import org.jfree.ui.RectangleInsets;<a name="line.82"></a>
<span class="sourceLineNo">083</span>import org.jfree.ui.TextAnchor;<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>/**<a name="line.85"></a>
<span class="sourceLineNo">086</span> * A numerical axis that uses a logarithmic scale.  The class is an<a name="line.86"></a>
<span class="sourceLineNo">087</span> * alternative to the {@link LogarithmicAxis} class.<a name="line.87"></a>
<span class="sourceLineNo">088</span> *<a name="line.88"></a>
<span class="sourceLineNo">089</span> * @since 1.0.7<a name="line.89"></a>
<span class="sourceLineNo">090</span> */<a name="line.90"></a>
<span class="sourceLineNo">091</span>public class LogAxis extends ValueAxis {<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span>    /** The logarithm base. */<a name="line.93"></a>
<span class="sourceLineNo">094</span>    private double base = 10.0;<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>    /** The logarithm of the base value - cached for performance. */<a name="line.96"></a>
<span class="sourceLineNo">097</span>    private double baseLog = Math.log(10.0);<a name="line.97"></a>
<span class="sourceLineNo">098</span><a name="line.98"></a>
<span class="sourceLineNo">099</span>    /**  The smallest value permitted on the axis. */<a name="line.99"></a>
<span class="sourceLineNo">100</span>    private double smallestValue = 1E-100;<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span>    /** The current tick unit. */<a name="line.102"></a>
<span class="sourceLineNo">103</span>    private NumberTickUnit tickUnit;<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span>    /** The override number format. */<a name="line.105"></a>
<span class="sourceLineNo">106</span>    private NumberFormat numberFormatOverride;<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span>    /**<a name="line.108"></a>
<span class="sourceLineNo">109</span>     * Creates a new &lt;code&gt;LogAxis&lt;/code&gt; with no label.<a name="line.109"></a>
<span class="sourceLineNo">110</span>     */<a name="line.110"></a>
<span class="sourceLineNo">111</span>    public LogAxis() {<a name="line.111"></a>
<span class="sourceLineNo">112</span>        this(null);<a name="line.112"></a>
<span class="sourceLineNo">113</span>    }<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span>    /**<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * Creates a new &lt;code&gt;LogAxis&lt;/code&gt; with the given label.<a name="line.116"></a>
<span class="sourceLineNo">117</span>     *<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * @param label  the axis label (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.118"></a>
<span class="sourceLineNo">119</span>     */<a name="line.119"></a>
<span class="sourceLineNo">120</span>    public LogAxis(String label) {<a name="line.120"></a>
<span class="sourceLineNo">121</span>        super(label, createLogTickUnits(Locale.getDefault()));<a name="line.121"></a>
<span class="sourceLineNo">122</span>        setDefaultAutoRange(new Range(0.01, 1.0));<a name="line.122"></a>
<span class="sourceLineNo">123</span>        this.tickUnit = new NumberTickUnit(1.0, new DecimalFormat("0.#"), 9);<a name="line.123"></a>
<span class="sourceLineNo">124</span>    }<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /**<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * Returns the base for the logarithm calculation.<a name="line.127"></a>
<span class="sourceLineNo">128</span>     *<a name="line.128"></a>
<span class="sourceLineNo">129</span>     * @return The base for the logarithm calculation.<a name="line.129"></a>
<span class="sourceLineNo">130</span>     *<a name="line.130"></a>
<span class="sourceLineNo">131</span>     * @see #setBase(double)<a name="line.131"></a>
<span class="sourceLineNo">132</span>     */<a name="line.132"></a>
<span class="sourceLineNo">133</span>    public double getBase() {<a name="line.133"></a>
<span class="sourceLineNo">134</span>        return this.base;<a name="line.134"></a>
<span class="sourceLineNo">135</span>    }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span>    /**<a name="line.137"></a>
<span class="sourceLineNo">138</span>     * Sets the base for the logarithm calculation and sends an<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * {@link AxisChangeEvent} to all registered listeners.<a name="line.139"></a>
<span class="sourceLineNo">140</span>     *<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * @param base  the base value (must be &gt; 1.0).<a name="line.141"></a>
<span class="sourceLineNo">142</span>     *<a name="line.142"></a>
<span class="sourceLineNo">143</span>     * @see #getBase()<a name="line.143"></a>
<span class="sourceLineNo">144</span>     */<a name="line.144"></a>
<span class="sourceLineNo">145</span>    public void setBase(double base) {<a name="line.145"></a>
<span class="sourceLineNo">146</span>        if (base &lt;= 1.0) {<a name="line.146"></a>
<span class="sourceLineNo">147</span>            throw new IllegalArgumentException("Requires 'base' &gt; 1.0.");<a name="line.147"></a>
<span class="sourceLineNo">148</span>        }<a name="line.148"></a>
<span class="sourceLineNo">149</span>        this.base = base;<a name="line.149"></a>
<span class="sourceLineNo">150</span>        this.baseLog = Math.log(base);<a name="line.150"></a>
<span class="sourceLineNo">151</span>        notifyListeners(new AxisChangeEvent(this));<a name="line.151"></a>
<span class="sourceLineNo">152</span>    }<a name="line.152"></a>
<span class="sourceLineNo">153</span><a name="line.153"></a>
<span class="sourceLineNo">154</span>    /**<a name="line.154"></a>
<span class="sourceLineNo">155</span>     * Returns the smallest value represented by the axis.<a name="line.155"></a>
<span class="sourceLineNo">156</span>     *<a name="line.156"></a>
<span class="sourceLineNo">157</span>     * @return The smallest value represented by the axis.<a name="line.157"></a>
<span class="sourceLineNo">158</span>     *<a name="line.158"></a>
<span class="sourceLineNo">159</span>     * @see #setSmallestValue(double)<a name="line.159"></a>
<span class="sourceLineNo">160</span>     */<a name="line.160"></a>
<span class="sourceLineNo">161</span>    public double getSmallestValue() {<a name="line.161"></a>
<span class="sourceLineNo">162</span>        return this.smallestValue;<a name="line.162"></a>
<span class="sourceLineNo">163</span>    }<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span>    /**<a name="line.165"></a>
<span class="sourceLineNo">166</span>     * Sets the smallest value represented by the axis and sends an<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * {@link AxisChangeEvent} to all registered listeners.<a name="line.167"></a>
<span class="sourceLineNo">168</span>     *<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * @param value  the value.<a name="line.169"></a>
<span class="sourceLineNo">170</span>     *<a name="line.170"></a>
<span class="sourceLineNo">171</span>     * @see #getSmallestValue()<a name="line.171"></a>
<span class="sourceLineNo">172</span>     */<a name="line.172"></a>
<span class="sourceLineNo">173</span>    public void setSmallestValue(double value) {<a name="line.173"></a>
<span class="sourceLineNo">174</span>        if (value &lt;= 0.0) {<a name="line.174"></a>
<span class="sourceLineNo">175</span>            throw new IllegalArgumentException("Requires 'value' &gt; 0.0.");<a name="line.175"></a>
<span class="sourceLineNo">176</span>        }<a name="line.176"></a>
<span class="sourceLineNo">177</span>        this.smallestValue = value;<a name="line.177"></a>
<span class="sourceLineNo">178</span>        notifyListeners(new AxisChangeEvent(this));<a name="line.178"></a>
<span class="sourceLineNo">179</span>    }<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span>    /**<a name="line.181"></a>
<span class="sourceLineNo">182</span>     * Returns the current tick unit.<a name="line.182"></a>
<span class="sourceLineNo">183</span>     *<a name="line.183"></a>
<span class="sourceLineNo">184</span>     * @return The current tick unit.<a name="line.184"></a>
<span class="sourceLineNo">185</span>     *<a name="line.185"></a>
<span class="sourceLineNo">186</span>     * @see #setTickUnit(NumberTickUnit)<a name="line.186"></a>
<span class="sourceLineNo">187</span>     */<a name="line.187"></a>
<span class="sourceLineNo">188</span>    public NumberTickUnit getTickUnit() {<a name="line.188"></a>
<span class="sourceLineNo">189</span>        return this.tickUnit;<a name="line.189"></a>
<span class="sourceLineNo">190</span>    }<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span>    /**<a name="line.192"></a>
<span class="sourceLineNo">193</span>     * Sets the tick unit for the axis and sends an {@link AxisChangeEvent} to<a name="line.193"></a>
<span class="sourceLineNo">194</span>     * all registered listeners.  A side effect of calling this method is that<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * the "auto-select" feature for tick units is switched off (you can<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * restore it using the {@link ValueAxis#setAutoTickUnitSelection(boolean)}<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * method).<a name="line.197"></a>
<span class="sourceLineNo">198</span>     *<a name="line.198"></a>
<span class="sourceLineNo">199</span>     * @param unit  the new tick unit (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.199"></a>
<span class="sourceLineNo">200</span>     *<a name="line.200"></a>
<span class="sourceLineNo">201</span>     * @see #getTickUnit()<a name="line.201"></a>
<span class="sourceLineNo">202</span>     */<a name="line.202"></a>
<span class="sourceLineNo">203</span>    public void setTickUnit(NumberTickUnit unit) {<a name="line.203"></a>
<span class="sourceLineNo">204</span>        // defer argument checking...<a name="line.204"></a>
<span class="sourceLineNo">205</span>        setTickUnit(unit, true, true);<a name="line.205"></a>
<span class="sourceLineNo">206</span>    }<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span>    /**<a name="line.208"></a>
<span class="sourceLineNo">209</span>     * Sets the tick unit for the axis and, if requested, sends an<a name="line.209"></a>
<span class="sourceLineNo">210</span>     * {@link AxisChangeEvent} to all registered listeners.  In addition, an<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * option is provided to turn off the "auto-select" feature for tick units<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * (you can restore it using the<a name="line.212"></a>
<span class="sourceLineNo">213</span>     * {@link ValueAxis#setAutoTickUnitSelection(boolean)} method).<a name="line.213"></a>
<span class="sourceLineNo">214</span>     *<a name="line.214"></a>
<span class="sourceLineNo">215</span>     * @param unit  the new tick unit (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.215"></a>
<span class="sourceLineNo">216</span>     * @param notify  notify listeners?<a name="line.216"></a>
<span class="sourceLineNo">217</span>     * @param turnOffAutoSelect  turn off the auto-tick selection?<a name="line.217"></a>
<span class="sourceLineNo">218</span>     *<a name="line.218"></a>
<span class="sourceLineNo">219</span>     * @see #getTickUnit()<a name="line.219"></a>
<span class="sourceLineNo">220</span>     */<a name="line.220"></a>
<span class="sourceLineNo">221</span>    public void setTickUnit(NumberTickUnit unit, boolean notify,<a name="line.221"></a>
<span class="sourceLineNo">222</span>                            boolean turnOffAutoSelect) {<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span>        if (unit == null) {<a name="line.224"></a>
<span class="sourceLineNo">225</span>            throw new IllegalArgumentException("Null 'unit' argument.");<a name="line.225"></a>
<span class="sourceLineNo">226</span>        }<a name="line.226"></a>
<span class="sourceLineNo">227</span>        this.tickUnit = unit;<a name="line.227"></a>
<span class="sourceLineNo">228</span>        if (turnOffAutoSelect) {<a name="line.228"></a>
<span class="sourceLineNo">229</span>            setAutoTickUnitSelection(false, false);<a name="line.229"></a>
<span class="sourceLineNo">230</span>        }<a name="line.230"></a>
<span class="sourceLineNo">231</span>        if (notify) {<a name="line.231"></a>
<span class="sourceLineNo">232</span>            notifyListeners(new AxisChangeEvent(this));<a name="line.232"></a>
<span class="sourceLineNo">233</span>        }<a name="line.233"></a>
<span class="sourceLineNo">234</span><a name="line.234"></a>
<span class="sourceLineNo">235</span>    }<a name="line.235"></a>
<span class="sourceLineNo">236</span><a name="line.236"></a>
<span class="sourceLineNo">237</span>    /**<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * Returns the number format override.  If this is non-null, then it will<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * be used to format the numbers on the axis.<a name="line.239"></a>
<span class="sourceLineNo">240</span>     *<a name="line.240"></a>
<span class="sourceLineNo">241</span>     * @return The number formatter (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.241"></a>
<span class="sourceLineNo">242</span>     *<a name="line.242"></a>
<span class="sourceLineNo">243</span>     * @see #setNumberFormatOverride(NumberFormat)<a name="line.243"></a>
<span class="sourceLineNo">244</span>     */<a name="line.244"></a>
<span class="sourceLineNo">245</span>    public NumberFormat getNumberFormatOverride() {<a name="line.245"></a>
<span class="sourceLineNo">246</span>        return this.numberFormatOverride;<a name="line.246"></a>
<span class="sourceLineNo">247</span>    }<a name="line.247"></a>
<span class="sourceLineNo">248</span><a name="line.248"></a>
<span class="sourceLineNo">249</span>    /**<a name="line.249"></a>
<span class="sourceLineNo">250</span>     * Sets the number format override.  If this is non-null, then it will be<a name="line.250"></a>
<span class="sourceLineNo">251</span>     * used to format the numbers on the axis.<a name="line.251"></a>
<span class="sourceLineNo">252</span>     *<a name="line.252"></a>
<span class="sourceLineNo">253</span>     * @param formatter  the number formatter (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.253"></a>
<span class="sourceLineNo">254</span>     *<a name="line.254"></a>
<span class="sourceLineNo">255</span>     * @see #getNumberFormatOverride()<a name="line.255"></a>
<span class="sourceLineNo">256</span>     */<a name="line.256"></a>
<span class="sourceLineNo">257</span>    public void setNumberFormatOverride(NumberFormat formatter) {<a name="line.257"></a>
<span class="sourceLineNo">258</span>        this.numberFormatOverride = formatter;<a name="line.258"></a>
<span class="sourceLineNo">259</span>        notifyListeners(new AxisChangeEvent(this));<a name="line.259"></a>
<span class="sourceLineNo">260</span>    }<a name="line.260"></a>
<span class="sourceLineNo">261</span><a name="line.261"></a>
<span class="sourceLineNo">262</span>    /**<a name="line.262"></a>
<span class="sourceLineNo">263</span>     * Calculates the log of the given value, using the current base.<a name="line.263"></a>
<span class="sourceLineNo">264</span>     *<a name="line.264"></a>
<span class="sourceLineNo">265</span>     * @param value  the value.<a name="line.265"></a>
<span class="sourceLineNo">266</span>     *<a name="line.266"></a>
<span class="sourceLineNo">267</span>     * @return The log of the given value.<a name="line.267"></a>
<span class="sourceLineNo">268</span>     *<a name="line.268"></a>
<span class="sourceLineNo">269</span>     * @see #calculateValue(double)<a name="line.269"></a>
<span class="sourceLineNo">270</span>     * @see #getBase()<a name="line.270"></a>
<span class="sourceLineNo">271</span>     */<a name="line.271"></a>
<span class="sourceLineNo">272</span>    public double calculateLog(double value) {<a name="line.272"></a>
<span class="sourceLineNo">273</span>        return Math.log(value) / this.baseLog;<a name="line.273"></a>
<span class="sourceLineNo">274</span>    }<a name="line.274"></a>
<span class="sourceLineNo">275</span><a name="line.275"></a>
<span class="sourceLineNo">276</span>    /**<a name="line.276"></a>
<span class="sourceLineNo">277</span>     * Calculates the value from a given log.<a name="line.277"></a>
<span class="sourceLineNo">278</span>     *<a name="line.278"></a>
<span class="sourceLineNo">279</span>     * @param log  the log value (must be &gt; 0.0).<a name="line.279"></a>
<span class="sourceLineNo">280</span>     *<a name="line.280"></a>
<span class="sourceLineNo">281</span>     * @return The value with the given log.<a name="line.281"></a>
<span class="sourceLineNo">282</span>     *<a name="line.282"></a>
<span class="sourceLineNo">283</span>     * @see #calculateLog(double)<a name="line.283"></a>
<span class="sourceLineNo">284</span>     * @see #getBase()<a name="line.284"></a>
<span class="sourceLineNo">285</span>     */<a name="line.285"></a>
<span class="sourceLineNo">286</span>    public double calculateValue(double log) {<a name="line.286"></a>
<span class="sourceLineNo">287</span>        return Math.pow(this.base, log);<a name="line.287"></a>
<span class="sourceLineNo">288</span>    }<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
<span class="sourceLineNo">290</span>    /**<a name="line.290"></a>
<span class="sourceLineNo">291</span>     * Converts a Java2D coordinate to an axis value, assuming that the<a name="line.291"></a>
<span class="sourceLineNo">292</span>     * axis covers the specified &lt;code&gt;edge&lt;/code&gt; of the &lt;code&gt;area&lt;/code&gt;.<a name="line.292"></a>
<span class="sourceLineNo">293</span>     *<a name="line.293"></a>
<span class="sourceLineNo">294</span>     * @param java2DValue  the Java2D coordinate.<a name="line.294"></a>
<span class="sourceLineNo">295</span>     * @param area  the area.<a name="line.295"></a>
<span class="sourceLineNo">296</span>     * @param edge  the edge that the axis belongs to.<a name="line.296"></a>
<span class="sourceLineNo">297</span>     *<a name="line.297"></a>
<span class="sourceLineNo">298</span>     * @return A value along the axis scale.<a name="line.298"></a>
<span class="sourceLineNo">299</span>     */<a name="line.299"></a>
<span class="sourceLineNo">300</span>    public double java2DToValue(double java2DValue, Rectangle2D area,<a name="line.300"></a>
<span class="sourceLineNo">301</span>            RectangleEdge edge) {<a name="line.301"></a>
<span class="sourceLineNo">302</span><a name="line.302"></a>
<span class="sourceLineNo">303</span>        Range range = getRange();<a name="line.303"></a>
<span class="sourceLineNo">304</span>        double axisMin = calculateLog(range.getLowerBound());<a name="line.304"></a>
<span class="sourceLineNo">305</span>        double axisMax = calculateLog(range.getUpperBound());<a name="line.305"></a>
<span class="sourceLineNo">306</span><a name="line.306"></a>
<span class="sourceLineNo">307</span>        double min = 0.0;<a name="line.307"></a>
<span class="sourceLineNo">308</span>        double max = 0.0;<a name="line.308"></a>
<span class="sourceLineNo">309</span>        if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.309"></a>
<span class="sourceLineNo">310</span>            min = area.getX();<a name="line.310"></a>
<span class="sourceLineNo">311</span>            max = area.getMaxX();<a name="line.311"></a>
<span class="sourceLineNo">312</span>        }<a name="line.312"></a>
<span class="sourceLineNo">313</span>        else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.313"></a>
<span class="sourceLineNo">314</span>            min = area.getMaxY();<a name="line.314"></a>
<span class="sourceLineNo">315</span>            max = area.getY();<a name="line.315"></a>
<span class="sourceLineNo">316</span>        }<a name="line.316"></a>
<span class="sourceLineNo">317</span>        double log = 0.0;<a name="line.317"></a>
<span class="sourceLineNo">318</span>        if (isInverted()) {<a name="line.318"></a>
<span class="sourceLineNo">319</span>            log = axisMax - (java2DValue - min) / (max - min)<a name="line.319"></a>
<span class="sourceLineNo">320</span>                    * (axisMax - axisMin);<a name="line.320"></a>
<span class="sourceLineNo">321</span>        }<a name="line.321"></a>
<span class="sourceLineNo">322</span>        else {<a name="line.322"></a>
<span class="sourceLineNo">323</span>            log = axisMin + (java2DValue - min) / (max - min)<a name="line.323"></a>
<span class="sourceLineNo">324</span>                    * (axisMax - axisMin);<a name="line.324"></a>
<span class="sourceLineNo">325</span>        }<a name="line.325"></a>
<span class="sourceLineNo">326</span>        return calculateValue(log);<a name="line.326"></a>
<span class="sourceLineNo">327</span>    }<a name="line.327"></a>
<span class="sourceLineNo">328</span><a name="line.328"></a>
<span class="sourceLineNo">329</span>    /**<a name="line.329"></a>
<span class="sourceLineNo">330</span>     * Converts a value on the axis scale to a Java2D coordinate relative to<a name="line.330"></a>
<span class="sourceLineNo">331</span>     * the given &lt;code&gt;area&lt;/code&gt;, based on the axis running along the<a name="line.331"></a>
<span class="sourceLineNo">332</span>     * specified &lt;code&gt;edge&lt;/code&gt;.<a name="line.332"></a>
<span class="sourceLineNo">333</span>     *<a name="line.333"></a>
<span class="sourceLineNo">334</span>     * @param value  the data value.<a name="line.334"></a>
<span class="sourceLineNo">335</span>     * @param area  the area.<a name="line.335"></a>
<span class="sourceLineNo">336</span>     * @param edge  the edge.<a name="line.336"></a>
<span class="sourceLineNo">337</span>     *<a name="line.337"></a>
<span class="sourceLineNo">338</span>     * @return The Java2D coordinate corresponding to &lt;code&gt;value&lt;/code&gt;.<a name="line.338"></a>
<span class="sourceLineNo">339</span>     */<a name="line.339"></a>
<span class="sourceLineNo">340</span>    public double valueToJava2D(double value, Rectangle2D area,<a name="line.340"></a>
<span class="sourceLineNo">341</span>            RectangleEdge edge) {<a name="line.341"></a>
<span class="sourceLineNo">342</span><a name="line.342"></a>
<span class="sourceLineNo">343</span>        Range range = getRange();<a name="line.343"></a>
<span class="sourceLineNo">344</span>        double axisMin = calculateLog(range.getLowerBound());<a name="line.344"></a>
<span class="sourceLineNo">345</span>        double axisMax = calculateLog(range.getUpperBound());<a name="line.345"></a>
<span class="sourceLineNo">346</span>        value = calculateLog(value);<a name="line.346"></a>
<span class="sourceLineNo">347</span><a name="line.347"></a>
<span class="sourceLineNo">348</span>        double min = 0.0;<a name="line.348"></a>
<span class="sourceLineNo">349</span>        double max = 0.0;<a name="line.349"></a>
<span class="sourceLineNo">350</span>        if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.350"></a>
<span class="sourceLineNo">351</span>            min = area.getX();<a name="line.351"></a>
<span class="sourceLineNo">352</span>            max = area.getMaxX();<a name="line.352"></a>
<span class="sourceLineNo">353</span>        }<a name="line.353"></a>
<span class="sourceLineNo">354</span>        else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.354"></a>
<span class="sourceLineNo">355</span>            max = area.getMinY();<a name="line.355"></a>
<span class="sourceLineNo">356</span>            min = area.getMaxY();<a name="line.356"></a>
<span class="sourceLineNo">357</span>        }<a name="line.357"></a>
<span class="sourceLineNo">358</span>        if (isInverted()) {<a name="line.358"></a>
<span class="sourceLineNo">359</span>            return max<a name="line.359"></a>
<span class="sourceLineNo">360</span>                   - ((value - axisMin) / (axisMax - axisMin)) * (max - min);<a name="line.360"></a>
<span class="sourceLineNo">361</span>        }<a name="line.361"></a>
<span class="sourceLineNo">362</span>        else {<a name="line.362"></a>
<span class="sourceLineNo">363</span>            return min<a name="line.363"></a>
<span class="sourceLineNo">364</span>                   + ((value - axisMin) / (axisMax - axisMin)) * (max - min);<a name="line.364"></a>
<span class="sourceLineNo">365</span>        }<a name="line.365"></a>
<span class="sourceLineNo">366</span>    }<a name="line.366"></a>
<span class="sourceLineNo">367</span><a name="line.367"></a>
<span class="sourceLineNo">368</span>    /**<a name="line.368"></a>
<span class="sourceLineNo">369</span>     * Configures the axis.  This method is typically called when an axis<a name="line.369"></a>
<span class="sourceLineNo">370</span>     * is assigned to a new plot.<a name="line.370"></a>
<span class="sourceLineNo">371</span>     */<a name="line.371"></a>
<span class="sourceLineNo">372</span>    public void configure() {<a name="line.372"></a>
<span class="sourceLineNo">373</span>        if (isAutoRange()) {<a name="line.373"></a>
<span class="sourceLineNo">374</span>            autoAdjustRange();<a name="line.374"></a>
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<span class="sourceLineNo">376</span>    }<a name="line.376"></a>
<span class="sourceLineNo">377</span><a name="line.377"></a>
<span class="sourceLineNo">378</span>    /**<a name="line.378"></a>
<span class="sourceLineNo">379</span>     * Adjusts the axis range to match the data range that the axis is<a name="line.379"></a>
<span class="sourceLineNo">380</span>     * required to display.<a name="line.380"></a>
<span class="sourceLineNo">381</span>     */<a name="line.381"></a>
<span class="sourceLineNo">382</span>    protected void autoAdjustRange() {<a name="line.382"></a>
<span class="sourceLineNo">383</span>        Plot plot = getPlot();<a name="line.383"></a>
<span class="sourceLineNo">384</span>        if (plot == null) {<a name="line.384"></a>
<span class="sourceLineNo">385</span>            return;  // no plot, no data<a name="line.385"></a>
<span class="sourceLineNo">386</span>        }<a name="line.386"></a>
<span class="sourceLineNo">387</span><a name="line.387"></a>
<span class="sourceLineNo">388</span>        if (plot instanceof ValueAxisPlot) {<a name="line.388"></a>
<span class="sourceLineNo">389</span>            ValueAxisPlot vap = (ValueAxisPlot) plot;<a name="line.389"></a>
<span class="sourceLineNo">390</span><a name="line.390"></a>
<span class="sourceLineNo">391</span>            Range r = vap.getDataRange(this);<a name="line.391"></a>
<span class="sourceLineNo">392</span>            if (r == null) {<a name="line.392"></a>
<span class="sourceLineNo">393</span>                r = getDefaultAutoRange();<a name="line.393"></a>
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<span class="sourceLineNo">395</span><a name="line.395"></a>
<span class="sourceLineNo">396</span>            double upper = r.getUpperBound();<a name="line.396"></a>
<span class="sourceLineNo">397</span>            double lower = Math.max(r.getLowerBound(), this.smallestValue);<a name="line.397"></a>
<span class="sourceLineNo">398</span>            double range = upper - lower;<a name="line.398"></a>
<span class="sourceLineNo">399</span><a name="line.399"></a>
<span class="sourceLineNo">400</span>            // if fixed auto range, then derive lower bound...<a name="line.400"></a>
<span class="sourceLineNo">401</span>            double fixedAutoRange = getFixedAutoRange();<a name="line.401"></a>
<span class="sourceLineNo">402</span>            if (fixedAutoRange &gt; 0.0) {<a name="line.402"></a>
<span class="sourceLineNo">403</span>                lower = Math.max(upper - fixedAutoRange, this.smallestValue);<a name="line.403"></a>
<span class="sourceLineNo">404</span>            }<a name="line.404"></a>
<span class="sourceLineNo">405</span>            else {<a name="line.405"></a>
<span class="sourceLineNo">406</span>                // ensure the autorange is at least &lt;minRange&gt; in size...<a name="line.406"></a>
<span class="sourceLineNo">407</span>                double minRange = getAutoRangeMinimumSize();<a name="line.407"></a>
<span class="sourceLineNo">408</span>                if (range &lt; minRange) {<a name="line.408"></a>
<span class="sourceLineNo">409</span>                    double expand = (minRange - range) / 2;<a name="line.409"></a>
<span class="sourceLineNo">410</span>                    upper = upper + expand;<a name="line.410"></a>
<span class="sourceLineNo">411</span>                    lower = lower - expand;<a name="line.411"></a>
<span class="sourceLineNo">412</span>                }<a name="line.412"></a>
<span class="sourceLineNo">413</span><a name="line.413"></a>
<span class="sourceLineNo">414</span>                // apply the margins - these should apply to the exponent range<a name="line.414"></a>
<span class="sourceLineNo">415</span>                double logUpper = calculateLog(upper);<a name="line.415"></a>
<span class="sourceLineNo">416</span>                double logLower = calculateLog(lower);<a name="line.416"></a>
<span class="sourceLineNo">417</span>                double logRange = logUpper - logLower;<a name="line.417"></a>
<span class="sourceLineNo">418</span>                logUpper = logUpper + getUpperMargin() * logRange;<a name="line.418"></a>
<span class="sourceLineNo">419</span>                logLower = logLower - getLowerMargin() * logRange;<a name="line.419"></a>
<span class="sourceLineNo">420</span>                upper = calculateValue(logUpper);<a name="line.420"></a>
<span class="sourceLineNo">421</span>                lower = calculateValue(logLower);<a name="line.421"></a>
<span class="sourceLineNo">422</span>            }<a name="line.422"></a>
<span class="sourceLineNo">423</span><a name="line.423"></a>
<span class="sourceLineNo">424</span>            setRange(new Range(lower, upper), false, false);<a name="line.424"></a>
<span class="sourceLineNo">425</span>        }<a name="line.425"></a>
<span class="sourceLineNo">426</span><a name="line.426"></a>
<span class="sourceLineNo">427</span>    }<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
<span class="sourceLineNo">429</span>    /**<a name="line.429"></a>
<span class="sourceLineNo">430</span>     * Draws the axis on a Java 2D graphics device (such as the screen or a<a name="line.430"></a>
<span class="sourceLineNo">431</span>     * printer).<a name="line.431"></a>
<span class="sourceLineNo">432</span>     *<a name="line.432"></a>
<span class="sourceLineNo">433</span>     * @param g2  the graphics device (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * @param cursor  the cursor location (determines where to draw the axis).<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * @param plotArea  the area within which the axes and plot should be drawn.<a name="line.435"></a>
<span class="sourceLineNo">436</span>     * @param dataArea  the area within which the data should be drawn.<a name="line.436"></a>
<span class="sourceLineNo">437</span>     * @param edge  the axis location (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.437"></a>
<span class="sourceLineNo">438</span>     * @param plotState  collects information about the plot<a name="line.438"></a>
<span class="sourceLineNo">439</span>     *                   (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.439"></a>
<span class="sourceLineNo">440</span>     *<a name="line.440"></a>
<span class="sourceLineNo">441</span>     * @return The axis state (never &lt;code&gt;null&lt;/code&gt;).<a name="line.441"></a>
<span class="sourceLineNo">442</span>     */<a name="line.442"></a>
<span class="sourceLineNo">443</span>    public AxisState draw(Graphics2D g2, double cursor, Rectangle2D plotArea,<a name="line.443"></a>
<span class="sourceLineNo">444</span>            Rectangle2D dataArea, RectangleEdge edge,<a name="line.444"></a>
<span class="sourceLineNo">445</span>            PlotRenderingInfo plotState) {<a name="line.445"></a>
<span class="sourceLineNo">446</span><a name="line.446"></a>
<span class="sourceLineNo">447</span>        AxisState state = null;<a name="line.447"></a>
<span class="sourceLineNo">448</span>        // if the axis is not visible, don't draw it...<a name="line.448"></a>
<span class="sourceLineNo">449</span>        if (!isVisible()) {<a name="line.449"></a>
<span class="sourceLineNo">450</span>            state = new AxisState(cursor);<a name="line.450"></a>
<span class="sourceLineNo">451</span>            // even though the axis is not visible, we need ticks for the<a name="line.451"></a>
<span class="sourceLineNo">452</span>            // gridlines...<a name="line.452"></a>
<span class="sourceLineNo">453</span>            List ticks = refreshTicks(g2, state, dataArea, edge);<a name="line.453"></a>
<span class="sourceLineNo">454</span>            state.setTicks(ticks);<a name="line.454"></a>
<span class="sourceLineNo">455</span>            return state;<a name="line.455"></a>
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<span class="sourceLineNo">457</span>        state = drawTickMarksAndLabels(g2, cursor, plotArea, dataArea, edge);<a name="line.457"></a>
<span class="sourceLineNo">458</span>        state = drawLabel(getLabel(), g2, plotArea, dataArea, edge, state);<a name="line.458"></a>
<span class="sourceLineNo">459</span>        createAndAddEntity(cursor, state, dataArea, edge, plotState);<a name="line.459"></a>
<span class="sourceLineNo">460</span>        return state;<a name="line.460"></a>
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<span class="sourceLineNo">462</span><a name="line.462"></a>
<span class="sourceLineNo">463</span>    /**<a name="line.463"></a>
<span class="sourceLineNo">464</span>     * Calculates the positions of the tick labels for the axis, storing the<a name="line.464"></a>
<span class="sourceLineNo">465</span>     * results in the tick label list (ready for drawing).<a name="line.465"></a>
<span class="sourceLineNo">466</span>     *<a name="line.466"></a>
<span class="sourceLineNo">467</span>     * @param g2  the graphics device.<a name="line.467"></a>
<span class="sourceLineNo">468</span>     * @param state  the axis state.<a name="line.468"></a>
<span class="sourceLineNo">469</span>     * @param dataArea  the area in which the plot should be drawn.<a name="line.469"></a>
<span class="sourceLineNo">470</span>     * @param edge  the location of the axis.<a name="line.470"></a>
<span class="sourceLineNo">471</span>     *<a name="line.471"></a>
<span class="sourceLineNo">472</span>     * @return A list of ticks.<a name="line.472"></a>
<span class="sourceLineNo">473</span>     *<a name="line.473"></a>
<span class="sourceLineNo">474</span>     */<a name="line.474"></a>
<span class="sourceLineNo">475</span>    public List refreshTicks(Graphics2D g2, AxisState state,<a name="line.475"></a>
<span class="sourceLineNo">476</span>            Rectangle2D dataArea, RectangleEdge edge) {<a name="line.476"></a>
<span class="sourceLineNo">477</span><a name="line.477"></a>
<span class="sourceLineNo">478</span>        List result = new java.util.ArrayList();<a name="line.478"></a>
<span class="sourceLineNo">479</span>        if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.479"></a>
<span class="sourceLineNo">480</span>            result = refreshTicksHorizontal(g2, dataArea, edge);<a name="line.480"></a>
<span class="sourceLineNo">481</span>        }<a name="line.481"></a>
<span class="sourceLineNo">482</span>        else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.482"></a>
<span class="sourceLineNo">483</span>            result = refreshTicksVertical(g2, dataArea, edge);<a name="line.483"></a>
<span class="sourceLineNo">484</span>        }<a name="line.484"></a>
<span class="sourceLineNo">485</span>        return result;<a name="line.485"></a>
<span class="sourceLineNo">486</span><a name="line.486"></a>
<span class="sourceLineNo">487</span>    }<a name="line.487"></a>
<span class="sourceLineNo">488</span><a name="line.488"></a>
<span class="sourceLineNo">489</span>    /**<a name="line.489"></a>
<span class="sourceLineNo">490</span>     * Returns a list of ticks for an axis at the top or bottom of the chart.<a name="line.490"></a>
<span class="sourceLineNo">491</span>     *<a name="line.491"></a>
<span class="sourceLineNo">492</span>     * @param g2  the graphics device.<a name="line.492"></a>
<span class="sourceLineNo">493</span>     * @param dataArea  the data area.<a name="line.493"></a>
<span class="sourceLineNo">494</span>     * @param edge  the edge.<a name="line.494"></a>
<span class="sourceLineNo">495</span>     *<a name="line.495"></a>
<span class="sourceLineNo">496</span>     * @return A list of ticks.<a name="line.496"></a>
<span class="sourceLineNo">497</span>     */<a name="line.497"></a>
<span class="sourceLineNo">498</span>    protected List refreshTicksHorizontal(Graphics2D g2, Rectangle2D dataArea,<a name="line.498"></a>
<span class="sourceLineNo">499</span>            RectangleEdge edge) {<a name="line.499"></a>
<span class="sourceLineNo">500</span><a name="line.500"></a>
<span class="sourceLineNo">501</span>        Range range = getRange();<a name="line.501"></a>
<span class="sourceLineNo">502</span>        List ticks = new ArrayList();<a name="line.502"></a>
<span class="sourceLineNo">503</span>        Font tickLabelFont = getTickLabelFont();<a name="line.503"></a>
<span class="sourceLineNo">504</span>        g2.setFont(tickLabelFont);<a name="line.504"></a>
<span class="sourceLineNo">505</span>        TextAnchor textAnchor;<a name="line.505"></a>
<span class="sourceLineNo">506</span>        if (edge == RectangleEdge.TOP) {<a name="line.506"></a>
<span class="sourceLineNo">507</span>            textAnchor = TextAnchor.BOTTOM_CENTER;<a name="line.507"></a>
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<span class="sourceLineNo">509</span>        else {<a name="line.509"></a>
<span class="sourceLineNo">510</span>            textAnchor = TextAnchor.TOP_CENTER;<a name="line.510"></a>
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<span class="sourceLineNo">512</span><a name="line.512"></a>
<span class="sourceLineNo">513</span>        if (isAutoTickUnitSelection()) {<a name="line.513"></a>
<span class="sourceLineNo">514</span>            selectAutoTickUnit(g2, dataArea, edge);<a name="line.514"></a>
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<span class="sourceLineNo">516</span>        int minorTickCount = this.tickUnit.getMinorTickCount();<a name="line.516"></a>
<span class="sourceLineNo">517</span>        double start = Math.floor(calculateLog(getLowerBound()));<a name="line.517"></a>
<span class="sourceLineNo">518</span>        double end = Math.ceil(calculateLog(getUpperBound()));<a name="line.518"></a>
<span class="sourceLineNo">519</span>        double current = start;<a name="line.519"></a>
<span class="sourceLineNo">520</span>        boolean hasTicks = (this.tickUnit.getSize() &gt; 0.0)<a name="line.520"></a>
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<span class="sourceLineNo">523</span>            double v = calculateValue(current);<a name="line.523"></a>
<span class="sourceLineNo">524</span>            if (range.contains(v)) {<a name="line.524"></a>
<span class="sourceLineNo">525</span>                ticks.add(new NumberTick(TickType.MAJOR, v, createTickLabel(v),<a name="line.525"></a>
<span class="sourceLineNo">526</span>                        textAnchor, TextAnchor.CENTER, 0.0));<a name="line.526"></a>
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<span class="sourceLineNo">528</span>            // add minor ticks (for gridlines)<a name="line.528"></a>
<span class="sourceLineNo">529</span>            double next = Math.pow(this.base, current<a name="line.529"></a>
<span class="sourceLineNo">530</span>                    + this.tickUnit.getSize());<a name="line.530"></a>
<span class="sourceLineNo">531</span>            for (int i = 1; i &lt; minorTickCount; i++) {<a name="line.531"></a>
<span class="sourceLineNo">532</span>                double minorV = v + i * ((next - v) / minorTickCount);<a name="line.532"></a>
<span class="sourceLineNo">533</span>                if (range.contains(minorV)) {<a name="line.533"></a>
<span class="sourceLineNo">534</span>                    ticks.add(new NumberTick(TickType.MINOR, minorV, "",<a name="line.534"></a>
<span class="sourceLineNo">535</span>                            textAnchor, TextAnchor.CENTER, 0.0));<a name="line.535"></a>
<span class="sourceLineNo">536</span>                }<a name="line.536"></a>
<span class="sourceLineNo">537</span>            }<a name="line.537"></a>
<span class="sourceLineNo">538</span>            current = current + this.tickUnit.getSize();<a name="line.538"></a>
<span class="sourceLineNo">539</span>        }<a name="line.539"></a>
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<span class="sourceLineNo">542</span><a name="line.542"></a>
<span class="sourceLineNo">543</span>    /**<a name="line.543"></a>
<span class="sourceLineNo">544</span>     * Returns a list of ticks for an axis at the left or right of the chart.<a name="line.544"></a>
<span class="sourceLineNo">545</span>     *<a name="line.545"></a>
<span class="sourceLineNo">546</span>     * @param g2  the graphics device.<a name="line.546"></a>
<span class="sourceLineNo">547</span>     * @param dataArea  the data area.<a name="line.547"></a>
<span class="sourceLineNo">548</span>     * @param edge  the edge.<a name="line.548"></a>
<span class="sourceLineNo">549</span>     *<a name="line.549"></a>
<span class="sourceLineNo">550</span>     * @return A list of ticks.<a name="line.550"></a>
<span class="sourceLineNo">551</span>     */<a name="line.551"></a>
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<span class="sourceLineNo">553</span>            RectangleEdge edge) {<a name="line.553"></a>
<span class="sourceLineNo">554</span><a name="line.554"></a>
<span class="sourceLineNo">555</span>        Range range = getRange();<a name="line.555"></a>
<span class="sourceLineNo">556</span>        List ticks = new ArrayList();<a name="line.556"></a>
<span class="sourceLineNo">557</span>        Font tickLabelFont = getTickLabelFont();<a name="line.557"></a>
<span class="sourceLineNo">558</span>        g2.setFont(tickLabelFont);<a name="line.558"></a>
<span class="sourceLineNo">559</span>        TextAnchor textAnchor;<a name="line.559"></a>
<span class="sourceLineNo">560</span>        if (edge == RectangleEdge.RIGHT) {<a name="line.560"></a>
<span class="sourceLineNo">561</span>            textAnchor = TextAnchor.CENTER_LEFT;<a name="line.561"></a>
<span class="sourceLineNo">562</span>        }<a name="line.562"></a>
<span class="sourceLineNo">563</span>        else {<a name="line.563"></a>
<span class="sourceLineNo">564</span>            textAnchor = TextAnchor.CENTER_RIGHT;<a name="line.564"></a>
<span class="sourceLineNo">565</span>        }<a name="line.565"></a>
<span class="sourceLineNo">566</span><a name="line.566"></a>
<span class="sourceLineNo">567</span>        if (isAutoTickUnitSelection()) {<a name="line.567"></a>
<span class="sourceLineNo">568</span>            selectAutoTickUnit(g2, dataArea, edge);<a name="line.568"></a>
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<span class="sourceLineNo">570</span>        int minorTickCount = this.tickUnit.getMinorTickCount();<a name="line.570"></a>
<span class="sourceLineNo">571</span>        double start = Math.floor(calculateLog(getLowerBound()));<a name="line.571"></a>
<span class="sourceLineNo">572</span>        double end = Math.ceil(calculateLog(getUpperBound()));<a name="line.572"></a>
<span class="sourceLineNo">573</span>        double current = start;<a name="line.573"></a>
<span class="sourceLineNo">574</span>        boolean hasTicks = (this.tickUnit.getSize() &gt; 0.0)<a name="line.574"></a>
<span class="sourceLineNo">575</span>                           &amp;&amp; !Double.isInfinite(start);<a name="line.575"></a>
<span class="sourceLineNo">576</span>        while (hasTicks &amp;&amp; current &lt;= end) {<a name="line.576"></a>
<span class="sourceLineNo">577</span>            double v = calculateValue(current);<a name="line.577"></a>
<span class="sourceLineNo">578</span>            if (range.contains(v)) {<a name="line.578"></a>
<span class="sourceLineNo">579</span>                ticks.add(new NumberTick(TickType.MAJOR, v, createTickLabel(v),<a name="line.579"></a>
<span class="sourceLineNo">580</span>                        textAnchor, TextAnchor.CENTER, 0.0));<a name="line.580"></a>
<span class="sourceLineNo">581</span>            }<a name="line.581"></a>
<span class="sourceLineNo">582</span>            // add minor ticks (for gridlines)<a name="line.582"></a>
<span class="sourceLineNo">583</span>            double next = Math.pow(this.base, current<a name="line.583"></a>
<span class="sourceLineNo">584</span>                    + this.tickUnit.getSize());<a name="line.584"></a>
<span class="sourceLineNo">585</span>            for (int i = 1; i &lt; minorTickCount; i++) {<a name="line.585"></a>
<span class="sourceLineNo">586</span>                double minorV = v + i * ((next - v) / minorTickCount);<a name="line.586"></a>
<span class="sourceLineNo">587</span>                if (range.contains(minorV)) {<a name="line.587"></a>
<span class="sourceLineNo">588</span>                    ticks.add(new NumberTick(TickType.MINOR, minorV, "",<a name="line.588"></a>
<span class="sourceLineNo">589</span>                            textAnchor, TextAnchor.CENTER, 0.0));<a name="line.589"></a>
<span class="sourceLineNo">590</span>                }<a name="line.590"></a>
<span class="sourceLineNo">591</span>            }<a name="line.591"></a>
<span class="sourceLineNo">592</span>            current = current + this.tickUnit.getSize();<a name="line.592"></a>
<span class="sourceLineNo">593</span>        }<a name="line.593"></a>
<span class="sourceLineNo">594</span>        return ticks;<a name="line.594"></a>
<span class="sourceLineNo">595</span>    }<a name="line.595"></a>
<span class="sourceLineNo">596</span><a name="line.596"></a>
<span class="sourceLineNo">597</span>    /**<a name="line.597"></a>
<span class="sourceLineNo">598</span>     * Selects an appropriate tick value for the axis.  The strategy is to<a name="line.598"></a>
<span class="sourceLineNo">599</span>     * display as many ticks as possible (selected from an array of 'standard'<a name="line.599"></a>
<span class="sourceLineNo">600</span>     * tick units) without the labels overlapping.<a name="line.600"></a>
<span class="sourceLineNo">601</span>     *<a name="line.601"></a>
<span class="sourceLineNo">602</span>     * @param g2  the graphics device.<a name="line.602"></a>
<span class="sourceLineNo">603</span>     * @param dataArea  the area defined by the axes.<a name="line.603"></a>
<span class="sourceLineNo">604</span>     * @param edge  the axis location.<a name="line.604"></a>
<span class="sourceLineNo">605</span>     *<a name="line.605"></a>
<span class="sourceLineNo">606</span>     * @since 1.0.7<a name="line.606"></a>
<span class="sourceLineNo">607</span>     */<a name="line.607"></a>
<span class="sourceLineNo">608</span>    protected void selectAutoTickUnit(Graphics2D g2, Rectangle2D dataArea,<a name="line.608"></a>
<span class="sourceLineNo">609</span>            RectangleEdge edge) {<a name="line.609"></a>
<span class="sourceLineNo">610</span><a name="line.610"></a>
<span class="sourceLineNo">611</span>        if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.611"></a>
<span class="sourceLineNo">612</span>            selectHorizontalAutoTickUnit(g2, dataArea, edge);<a name="line.612"></a>
<span class="sourceLineNo">613</span>        }<a name="line.613"></a>
<span class="sourceLineNo">614</span>        else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.614"></a>
<span class="sourceLineNo">615</span>            selectVerticalAutoTickUnit(g2, dataArea, edge);<a name="line.615"></a>
<span class="sourceLineNo">616</span>        }<a name="line.616"></a>
<span class="sourceLineNo">617</span><a name="line.617"></a>
<span class="sourceLineNo">618</span>    }<a name="line.618"></a>
<span class="sourceLineNo">619</span><a name="line.619"></a>
<span class="sourceLineNo">620</span>    /**<a name="line.620"></a>
<span class="sourceLineNo">621</span>     * Selects an appropriate tick value for the axis.  The strategy is to<a name="line.621"></a>
<span class="sourceLineNo">622</span>     * display as many ticks as possible (selected from an array of 'standard'<a name="line.622"></a>
<span class="sourceLineNo">623</span>     * tick units) without the labels overlapping.<a name="line.623"></a>
<span class="sourceLineNo">624</span>     *<a name="line.624"></a>
<span class="sourceLineNo">625</span>     * @param g2  the graphics device.<a name="line.625"></a>
<span class="sourceLineNo">626</span>     * @param dataArea  the area defined by the axes.<a name="line.626"></a>
<span class="sourceLineNo">627</span>     * @param edge  the axis location.<a name="line.627"></a>
<span class="sourceLineNo">628</span>     *<a name="line.628"></a>
<span class="sourceLineNo">629</span>     * @since 1.0.7<a name="line.629"></a>
<span class="sourceLineNo">630</span>     */<a name="line.630"></a>
<span class="sourceLineNo">631</span>   protected void selectHorizontalAutoTickUnit(Graphics2D g2,<a name="line.631"></a>
<span class="sourceLineNo">632</span>           Rectangle2D dataArea, RectangleEdge edge) {<a name="line.632"></a>
<span class="sourceLineNo">633</span><a name="line.633"></a>
<span class="sourceLineNo">634</span>        double tickLabelWidth = estimateMaximumTickLabelWidth(g2,<a name="line.634"></a>
<span class="sourceLineNo">635</span>                getTickUnit());<a name="line.635"></a>
<span class="sourceLineNo">636</span><a name="line.636"></a>
<span class="sourceLineNo">637</span>        // start with the current tick unit...<a name="line.637"></a>
<span class="sourceLineNo">638</span>        TickUnitSource tickUnits = getStandardTickUnits();<a name="line.638"></a>
<span class="sourceLineNo">639</span>        TickUnit unit1 = tickUnits.getCeilingTickUnit(getTickUnit());<a name="line.639"></a>
<span class="sourceLineNo">640</span>        double unit1Width = exponentLengthToJava2D(unit1.getSize(), dataArea,<a name="line.640"></a>
<span class="sourceLineNo">641</span>                edge);<a name="line.641"></a>
<span class="sourceLineNo">642</span><a name="line.642"></a>
<span class="sourceLineNo">643</span>        // then extrapolate...<a name="line.643"></a>
<span class="sourceLineNo">644</span>        double guess = (tickLabelWidth / unit1Width) * unit1.getSize();<a name="line.644"></a>
<span class="sourceLineNo">645</span><a name="line.645"></a>
<span class="sourceLineNo">646</span>        NumberTickUnit unit2 = (NumberTickUnit)<a name="line.646"></a>
<span class="sourceLineNo">647</span>                tickUnits.getCeilingTickUnit(guess);<a name="line.647"></a>
<span class="sourceLineNo">648</span>        double unit2Width = exponentLengthToJava2D(unit2.getSize(), dataArea,<a name="line.648"></a>
<span class="sourceLineNo">649</span>                edge);<a name="line.649"></a>
<span class="sourceLineNo">650</span><a name="line.650"></a>
<span class="sourceLineNo">651</span>        tickLabelWidth = estimateMaximumTickLabelWidth(g2, unit2);<a name="line.651"></a>
<span class="sourceLineNo">652</span>        if (tickLabelWidth &gt; unit2Width) {<a name="line.652"></a>
<span class="sourceLineNo">653</span>            unit2 = (NumberTickUnit) tickUnits.getLargerTickUnit(unit2);<a name="line.653"></a>
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<span class="sourceLineNo">655</span><a name="line.655"></a>
<span class="sourceLineNo">656</span>        setTickUnit(unit2, false, false);<a name="line.656"></a>
<span class="sourceLineNo">657</span><a name="line.657"></a>
<span class="sourceLineNo">658</span>    }<a name="line.658"></a>
<span class="sourceLineNo">659</span><a name="line.659"></a>
<span class="sourceLineNo">660</span>    /**<a name="line.660"></a>
<span class="sourceLineNo">661</span>     * Converts a length in data coordinates into the corresponding length in<a name="line.661"></a>
<span class="sourceLineNo">662</span>     * Java2D coordinates.<a name="line.662"></a>
<span class="sourceLineNo">663</span>     *<a name="line.663"></a>
<span class="sourceLineNo">664</span>     * @param length  the length.<a name="line.664"></a>
<span class="sourceLineNo">665</span>     * @param area  the plot area.<a name="line.665"></a>
<span class="sourceLineNo">666</span>     * @param edge  the edge along which the axis lies.<a name="line.666"></a>
<span class="sourceLineNo">667</span>     *<a name="line.667"></a>
<span class="sourceLineNo">668</span>     * @return The length in Java2D coordinates.<a name="line.668"></a>
<span class="sourceLineNo">669</span>     *<a name="line.669"></a>
<span class="sourceLineNo">670</span>     * @since 1.0.7<a name="line.670"></a>
<span class="sourceLineNo">671</span>     */<a name="line.671"></a>
<span class="sourceLineNo">672</span>    public double exponentLengthToJava2D(double length, Rectangle2D area,<a name="line.672"></a>
<span class="sourceLineNo">673</span>                                RectangleEdge edge) {<a name="line.673"></a>
<span class="sourceLineNo">674</span>        double one = valueToJava2D(calculateValue(1.0), area, edge);<a name="line.674"></a>
<span class="sourceLineNo">675</span>        double l = valueToJava2D(calculateValue(length + 1.0), area, edge);<a name="line.675"></a>
<span class="sourceLineNo">676</span>        return Math.abs(l - one);<a name="line.676"></a>
<span class="sourceLineNo">677</span>    }<a name="line.677"></a>
<span class="sourceLineNo">678</span><a name="line.678"></a>
<span class="sourceLineNo">679</span>    /**<a name="line.679"></a>
<span class="sourceLineNo">680</span>     * Selects an appropriate tick value for the axis.  The strategy is to<a name="line.680"></a>
<span class="sourceLineNo">681</span>     * display as many ticks as possible (selected from an array of 'standard'<a name="line.681"></a>
<span class="sourceLineNo">682</span>     * tick units) without the labels overlapping.<a name="line.682"></a>
<span class="sourceLineNo">683</span>     *<a name="line.683"></a>
<span class="sourceLineNo">684</span>     * @param g2  the graphics device.<a name="line.684"></a>
<span class="sourceLineNo">685</span>     * @param dataArea  the area in which the plot should be drawn.<a name="line.685"></a>
<span class="sourceLineNo">686</span>     * @param edge  the axis location.<a name="line.686"></a>
<span class="sourceLineNo">687</span>     *<a name="line.687"></a>
<span class="sourceLineNo">688</span>     * @since 1.0.7<a name="line.688"></a>
<span class="sourceLineNo">689</span>     */<a name="line.689"></a>
<span class="sourceLineNo">690</span>    protected void selectVerticalAutoTickUnit(Graphics2D g2,<a name="line.690"></a>
<span class="sourceLineNo">691</span>                                              Rectangle2D dataArea,<a name="line.691"></a>
<span class="sourceLineNo">692</span>                                              RectangleEdge edge) {<a name="line.692"></a>
<span class="sourceLineNo">693</span><a name="line.693"></a>
<span class="sourceLineNo">694</span>        double tickLabelHeight = estimateMaximumTickLabelHeight(g2);<a name="line.694"></a>
<span class="sourceLineNo">695</span><a name="line.695"></a>
<span class="sourceLineNo">696</span>        // start with the current tick unit...<a name="line.696"></a>
<span class="sourceLineNo">697</span>        TickUnitSource tickUnits = getStandardTickUnits();<a name="line.697"></a>
<span class="sourceLineNo">698</span>        TickUnit unit1 = tickUnits.getCeilingTickUnit(getTickUnit());<a name="line.698"></a>
<span class="sourceLineNo">699</span>        double unitHeight = exponentLengthToJava2D(unit1.getSize(), dataArea,<a name="line.699"></a>
<span class="sourceLineNo">700</span>                edge);<a name="line.700"></a>
<span class="sourceLineNo">701</span><a name="line.701"></a>
<span class="sourceLineNo">702</span>        // then extrapolate...<a name="line.702"></a>
<span class="sourceLineNo">703</span>        double guess = (tickLabelHeight / unitHeight) * unit1.getSize();<a name="line.703"></a>
<span class="sourceLineNo">704</span><a name="line.704"></a>
<span class="sourceLineNo">705</span>        NumberTickUnit unit2 = (NumberTickUnit)<a name="line.705"></a>
<span class="sourceLineNo">706</span>                tickUnits.getCeilingTickUnit(guess);<a name="line.706"></a>
<span class="sourceLineNo">707</span>        double unit2Height = exponentLengthToJava2D(unit2.getSize(), dataArea,<a name="line.707"></a>
<span class="sourceLineNo">708</span>                edge);<a name="line.708"></a>
<span class="sourceLineNo">709</span><a name="line.709"></a>
<span class="sourceLineNo">710</span>        tickLabelHeight = estimateMaximumTickLabelHeight(g2);<a name="line.710"></a>
<span class="sourceLineNo">711</span>        if (tickLabelHeight &gt; unit2Height) {<a name="line.711"></a>
<span class="sourceLineNo">712</span>            unit2 = (NumberTickUnit) tickUnits.getLargerTickUnit(unit2);<a name="line.712"></a>
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<span class="sourceLineNo">714</span><a name="line.714"></a>
<span class="sourceLineNo">715</span>        setTickUnit(unit2, false, false);<a name="line.715"></a>
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<span class="sourceLineNo">718</span><a name="line.718"></a>
<span class="sourceLineNo">719</span>    /**<a name="line.719"></a>
<span class="sourceLineNo">720</span>     * Estimates the maximum tick label height.<a name="line.720"></a>
<span class="sourceLineNo">721</span>     *<a name="line.721"></a>
<span class="sourceLineNo">722</span>     * @param g2  the graphics device.<a name="line.722"></a>
<span class="sourceLineNo">723</span>     *<a name="line.723"></a>
<span class="sourceLineNo">724</span>     * @return The maximum height.<a name="line.724"></a>
<span class="sourceLineNo">725</span>     *<a name="line.725"></a>
<span class="sourceLineNo">726</span>     * @since 1.0.7<a name="line.726"></a>
<span class="sourceLineNo">727</span>     */<a name="line.727"></a>
<span class="sourceLineNo">728</span>    protected double estimateMaximumTickLabelHeight(Graphics2D g2) {<a name="line.728"></a>
<span class="sourceLineNo">729</span><a name="line.729"></a>
<span class="sourceLineNo">730</span>        RectangleInsets tickLabelInsets = getTickLabelInsets();<a name="line.730"></a>
<span class="sourceLineNo">731</span>        double result = tickLabelInsets.getTop() + tickLabelInsets.getBottom();<a name="line.731"></a>
<span class="sourceLineNo">732</span><a name="line.732"></a>
<span class="sourceLineNo">733</span>        Font tickLabelFont = getTickLabelFont();<a name="line.733"></a>
<span class="sourceLineNo">734</span>        FontRenderContext frc = g2.getFontRenderContext();<a name="line.734"></a>
<span class="sourceLineNo">735</span>        result += tickLabelFont.getLineMetrics("123", frc).getHeight();<a name="line.735"></a>
<span class="sourceLineNo">736</span>        return result;<a name="line.736"></a>
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<span class="sourceLineNo">739</span><a name="line.739"></a>
<span class="sourceLineNo">740</span>    /**<a name="line.740"></a>
<span class="sourceLineNo">741</span>     * Estimates the maximum width of the tick labels, assuming the specified<a name="line.741"></a>
<span class="sourceLineNo">742</span>     * tick unit is used.<a name="line.742"></a>
<span class="sourceLineNo">743</span>     * &lt;P&gt;<a name="line.743"></a>
<span class="sourceLineNo">744</span>     * Rather than computing the string bounds of every tick on the axis, we<a name="line.744"></a>
<span class="sourceLineNo">745</span>     * just look at two values: the lower bound and the upper bound for the<a name="line.745"></a>
<span class="sourceLineNo">746</span>     * axis.  These two values will usually be representative.<a name="line.746"></a>
<span class="sourceLineNo">747</span>     *<a name="line.747"></a>
<span class="sourceLineNo">748</span>     * @param g2  the graphics device.<a name="line.748"></a>
<span class="sourceLineNo">749</span>     * @param unit  the tick unit to use for calculation.<a name="line.749"></a>
<span class="sourceLineNo">750</span>     *<a name="line.750"></a>
<span class="sourceLineNo">751</span>     * @return The estimated maximum width of the tick labels.<a name="line.751"></a>
<span class="sourceLineNo">752</span>     *<a name="line.752"></a>
<span class="sourceLineNo">753</span>     * @since 1.0.7<a name="line.753"></a>
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<span class="sourceLineNo">756</span>                                                   TickUnit unit) {<a name="line.756"></a>
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<span class="sourceLineNo">758</span>        RectangleInsets tickLabelInsets = getTickLabelInsets();<a name="line.758"></a>
<span class="sourceLineNo">759</span>        double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight();<a name="line.759"></a>
<span class="sourceLineNo">760</span><a name="line.760"></a>
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<span class="sourceLineNo">762</span>            // all tick labels have the same width (equal to the height of the<a name="line.762"></a>
<span class="sourceLineNo">763</span>            // font)...<a name="line.763"></a>
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<span class="sourceLineNo">771</span>            Range range = getRange();<a name="line.771"></a>
<span class="sourceLineNo">772</span>            double lower = range.getLowerBound();<a name="line.772"></a>
<span class="sourceLineNo">773</span>            double upper = range.getUpperBound();<a name="line.773"></a>
<span class="sourceLineNo">774</span>            String lowerStr = "";<a name="line.774"></a>
<span class="sourceLineNo">775</span>            String upperStr = "";<a name="line.775"></a>
<span class="sourceLineNo">776</span>            NumberFormat formatter = getNumberFormatOverride();<a name="line.776"></a>
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<span class="sourceLineNo">778</span>                lowerStr = formatter.format(lower);<a name="line.778"></a>
<span class="sourceLineNo">779</span>                upperStr = formatter.format(upper);<a name="line.779"></a>
<span class="sourceLineNo">780</span>            }<a name="line.780"></a>
<span class="sourceLineNo">781</span>            else {<a name="line.781"></a>
<span class="sourceLineNo">782</span>                lowerStr = unit.valueToString(lower);<a name="line.782"></a>
<span class="sourceLineNo">783</span>                upperStr = unit.valueToString(upper);<a name="line.783"></a>
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<span class="sourceLineNo">785</span>            double w1 = fm.stringWidth(lowerStr);<a name="line.785"></a>
<span class="sourceLineNo">786</span>            double w2 = fm.stringWidth(upperStr);<a name="line.786"></a>
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<span class="sourceLineNo">789</span><a name="line.789"></a>
<span class="sourceLineNo">790</span>        return result;<a name="line.790"></a>
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<span class="sourceLineNo">793</span><a name="line.793"></a>
<span class="sourceLineNo">794</span>    /**<a name="line.794"></a>
<span class="sourceLineNo">795</span>     * Zooms in on the current range.<a name="line.795"></a>
<span class="sourceLineNo">796</span>     *<a name="line.796"></a>
<span class="sourceLineNo">797</span>     * @param lowerPercent  the new lower bound.<a name="line.797"></a>
<span class="sourceLineNo">798</span>     * @param upperPercent  the new upper bound.<a name="line.798"></a>
<span class="sourceLineNo">799</span>     */<a name="line.799"></a>
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<span class="sourceLineNo">801</span>        Range range = getRange();<a name="line.801"></a>
<span class="sourceLineNo">802</span>        double start = range.getLowerBound();<a name="line.802"></a>
<span class="sourceLineNo">803</span>        double end = range.getUpperBound();<a name="line.803"></a>
<span class="sourceLineNo">804</span>        double log1 = calculateLog(start);<a name="line.804"></a>
<span class="sourceLineNo">805</span>        double log2 = calculateLog(end);<a name="line.805"></a>
<span class="sourceLineNo">806</span>        double length = log2 - log1;<a name="line.806"></a>
<span class="sourceLineNo">807</span>        Range adjusted = null;<a name="line.807"></a>
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<span class="sourceLineNo">809</span>            double logA = log1 + length * (1 - upperPercent);<a name="line.809"></a>
<span class="sourceLineNo">810</span>            double logB = log1 + length * (1 - lowerPercent);<a name="line.810"></a>
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<span class="sourceLineNo">814</span>            double logA = log1 + length * lowerPercent;<a name="line.814"></a>
<span class="sourceLineNo">815</span>            double logB = log1 + length * upperPercent;<a name="line.815"></a>
<span class="sourceLineNo">816</span>            adjusted = new Range(calculateValue(logA), calculateValue(logB));<a name="line.816"></a>
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<span class="sourceLineNo">818</span>        setRange(adjusted);<a name="line.818"></a>
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<span class="sourceLineNo">820</span><a name="line.820"></a>
<span class="sourceLineNo">821</span>    /**<a name="line.821"></a>
<span class="sourceLineNo">822</span>     * Slides the axis range by the specified percentage.<a name="line.822"></a>
<span class="sourceLineNo">823</span>     *<a name="line.823"></a>
<span class="sourceLineNo">824</span>     * @param percent  the percentage.<a name="line.824"></a>
<span class="sourceLineNo">825</span>     *<a name="line.825"></a>
<span class="sourceLineNo">826</span>     * @since 1.0.13<a name="line.826"></a>
<span class="sourceLineNo">827</span>     */<a name="line.827"></a>
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<span class="sourceLineNo">830</span>        double lower = range.getLowerBound();<a name="line.830"></a>
<span class="sourceLineNo">831</span>        double upper = range.getUpperBound();<a name="line.831"></a>
<span class="sourceLineNo">832</span>        double log1 = calculateLog(lower);<a name="line.832"></a>
<span class="sourceLineNo">833</span>        double log2 = calculateLog(upper);<a name="line.833"></a>
<span class="sourceLineNo">834</span>        double length = log2 - log1;<a name="line.834"></a>
<span class="sourceLineNo">835</span>        double adj = length * percent;<a name="line.835"></a>
<span class="sourceLineNo">836</span>        log1 = log1 + adj;<a name="line.836"></a>
<span class="sourceLineNo">837</span>        log2 = log2 + adj;<a name="line.837"></a>
<span class="sourceLineNo">838</span>        setRange(calculateValue(log1), calculateValue(log2));<a name="line.838"></a>
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<span class="sourceLineNo">840</span><a name="line.840"></a>
<span class="sourceLineNo">841</span>    /**<a name="line.841"></a>
<span class="sourceLineNo">842</span>     * Creates a tick label for the specified value.  Note that this method<a name="line.842"></a>
<span class="sourceLineNo">843</span>     * was 'private' prior to version 1.0.10.<a name="line.843"></a>
<span class="sourceLineNo">844</span>     *<a name="line.844"></a>
<span class="sourceLineNo">845</span>     * @param value  the value.<a name="line.845"></a>
<span class="sourceLineNo">846</span>     *<a name="line.846"></a>
<span class="sourceLineNo">847</span>     * @return The label.<a name="line.847"></a>
<span class="sourceLineNo">848</span>     *<a name="line.848"></a>
<span class="sourceLineNo">849</span>     * @since 1.0.10<a name="line.849"></a>
<span class="sourceLineNo">850</span>     */<a name="line.850"></a>
<span class="sourceLineNo">851</span>    protected String createTickLabel(double value) {<a name="line.851"></a>
<span class="sourceLineNo">852</span>        if (this.numberFormatOverride != null) {<a name="line.852"></a>
<span class="sourceLineNo">853</span>            return this.numberFormatOverride.format(value);<a name="line.853"></a>
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<span class="sourceLineNo">856</span>            return this.tickUnit.valueToString(value);<a name="line.856"></a>
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<span class="sourceLineNo">858</span>    }<a name="line.858"></a>
<span class="sourceLineNo">859</span><a name="line.859"></a>
<span class="sourceLineNo">860</span>    /**<a name="line.860"></a>
<span class="sourceLineNo">861</span>     * Tests this axis for equality with an arbitrary object.<a name="line.861"></a>
<span class="sourceLineNo">862</span>     *<a name="line.862"></a>
<span class="sourceLineNo">863</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.863"></a>
<span class="sourceLineNo">864</span>     *<a name="line.864"></a>
<span class="sourceLineNo">865</span>     * @return A boolean.<a name="line.865"></a>
<span class="sourceLineNo">866</span>     */<a name="line.866"></a>
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<span class="sourceLineNo">872</span>            return false;<a name="line.872"></a>
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<span class="sourceLineNo">874</span>        LogAxis that = (LogAxis) obj;<a name="line.874"></a>
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<span class="sourceLineNo">883</span><a name="line.883"></a>
<span class="sourceLineNo">884</span>    /**<a name="line.884"></a>
<span class="sourceLineNo">885</span>     * Returns a hash code for this instance.<a name="line.885"></a>
<span class="sourceLineNo">886</span>     *<a name="line.886"></a>
<span class="sourceLineNo">887</span>     * @return A hash code.<a name="line.887"></a>
<span class="sourceLineNo">888</span>     */<a name="line.888"></a>
<span class="sourceLineNo">889</span>    public int hashCode() {<a name="line.889"></a>
<span class="sourceLineNo">890</span>        int result = 193;<a name="line.890"></a>
<span class="sourceLineNo">891</span>        long temp = Double.doubleToLongBits(this.base);<a name="line.891"></a>
<span class="sourceLineNo">892</span>        result = 37 * result + (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.892"></a>
<span class="sourceLineNo">893</span>        temp = Double.doubleToLongBits(this.smallestValue);<a name="line.893"></a>
<span class="sourceLineNo">894</span>        result = 37 * result + (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.894"></a>
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<span class="sourceLineNo">901</span><a name="line.901"></a>
<span class="sourceLineNo">902</span>    /**<a name="line.902"></a>
<span class="sourceLineNo">903</span>     * Returns a collection of tick units for log (base 10) values.<a name="line.903"></a>
<span class="sourceLineNo">904</span>     * Uses a given Locale to create the DecimalFormats.<a name="line.904"></a>
<span class="sourceLineNo">905</span>     *<a name="line.905"></a>
<span class="sourceLineNo">906</span>     * @param locale the locale to use to represent Numbers.<a name="line.906"></a>
<span class="sourceLineNo">907</span>     *<a name="line.907"></a>
<span class="sourceLineNo">908</span>     * @return A collection of tick units for integer values.<a name="line.908"></a>
<span class="sourceLineNo">909</span>     *<a name="line.909"></a>
<span class="sourceLineNo">910</span>     * @since 1.0.7<a name="line.910"></a>
<span class="sourceLineNo">911</span>     */<a name="line.911"></a>
<span class="sourceLineNo">912</span>    public static TickUnitSource createLogTickUnits(Locale locale) {<a name="line.912"></a>
<span class="sourceLineNo">913</span>        TickUnits units = new TickUnits();<a name="line.913"></a>
<span class="sourceLineNo">914</span>        NumberFormat numberFormat = new LogFormat();<a name="line.914"></a>
<span class="sourceLineNo">915</span>        units.add(new NumberTickUnit(0.05, numberFormat, 2));<a name="line.915"></a>
<span class="sourceLineNo">916</span>        units.add(new NumberTickUnit(0.1, numberFormat, 10));<a name="line.916"></a>
<span class="sourceLineNo">917</span>        units.add(new NumberTickUnit(0.2, numberFormat, 2));<a name="line.917"></a>
<span class="sourceLineNo">918</span>        units.add(new NumberTickUnit(0.5, numberFormat, 5));<a name="line.918"></a>
<span class="sourceLineNo">919</span>        units.add(new NumberTickUnit(1, numberFormat, 10));<a name="line.919"></a>
<span class="sourceLineNo">920</span>        units.add(new NumberTickUnit(2, numberFormat, 10));<a name="line.920"></a>
<span class="sourceLineNo">921</span>        units.add(new NumberTickUnit(3, numberFormat, 15));<a name="line.921"></a>
<span class="sourceLineNo">922</span>        units.add(new NumberTickUnit(4, numberFormat, 20));<a name="line.922"></a>
<span class="sourceLineNo">923</span>        units.add(new NumberTickUnit(5, numberFormat, 25));<a name="line.923"></a>
<span class="sourceLineNo">924</span>        units.add(new NumberTickUnit(6, numberFormat));<a name="line.924"></a>
<span class="sourceLineNo">925</span>        units.add(new NumberTickUnit(7, numberFormat));<a name="line.925"></a>
<span class="sourceLineNo">926</span>        units.add(new NumberTickUnit(8, numberFormat));<a name="line.926"></a>
<span class="sourceLineNo">927</span>        units.add(new NumberTickUnit(9, numberFormat));<a name="line.927"></a>
<span class="sourceLineNo">928</span>        units.add(new NumberTickUnit(10, numberFormat));<a name="line.928"></a>
<span class="sourceLineNo">929</span>        return units;<a name="line.929"></a>
<span class="sourceLineNo">930</span>    }<a name="line.930"></a>
<span class="sourceLineNo">931</span><a name="line.931"></a>
<span class="sourceLineNo">932</span>}<a name="line.932"></a>




























































</pre>
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